Bridges & Tunnels — Set 3
Indian Railways · पुल और सुरंगें · Questions 21–30 of 50
What is the primary material used in the construction of the Chenab Bridge's main arch?
Correct Answer: A. Structural Steel
The main arch of the Chenab Bridge is made of high-grade structural steel. It is designed to withstand wind speeds of up to 266 km/h and extreme cold. The bridge uses special blast-proof steel for added security in the region.
Which railway tunnel is the longest in the Western Ghats section of the Konkan Railway?
Correct Answer: A. Karbude Tunnel
The Karbude Tunnel, located near Ratnagiri, is 6.5 kilometers long. It remained the longest railway tunnel in India for many years until the Pir Panjal tunnel was built. It is an important feat of engineering on the Konkan route.
The Curzon Bridge, a historic rail-cum-road bridge over the Ganges, is located in which city?
Correct Answer: D. Prayagraj
The Curzon Bridge in Prayagraj was opened in 1905 during the British era. It consists of a railway track on the lower level and a road on the upper level. It is now a heritage structure after being replaced by modern bridges.
Which state has the maximum length of railway tunnels in the Northeast region?
Correct Answer: D. Manipur
Manipur is witnessing extensive tunnel construction as part of the Jiribam-Imphal rail project. The route passes through several hills requiring dozens of tunnels to maintain a workable gradient. This project aims to bring the Manipur capital onto the national rail map.
The 'Diamond Crossing', where two major railway lines cross each other at right angles, is located in which city?
Correct Answer: B. Nagpur
Nagpur is home to the famous Diamond Crossing where the North-South and East-West railway lines intersect. It is a rare geographical and operational point in the Indian rail network. Nagpur is often called the 'Zero Mile' center of India.
Which bridge connects the city of Guwahati with North Guwahati across the Brahmaputra?
Correct Answer: B. Saraighat Bridge
The Saraighat Bridge is the lifeline of Guwahati, providing both rail and road connectivity. For 25 years, it was the only bridge across the Brahmaputra in Assam. It remains one of the most vital transport links in the North East.
The Pamban Railway Bridge uses which type of opening mechanism for ships?
Correct Answer: B. Scherzer Rolling Lift
The original Pamban Bridge uses a Scherzer rolling lift span that opens manually like a pair of scissors. This allows large ships to pass through the Palk Strait. This unique century-old mechanism is still functional today.
In railway terminology, what is a 'Viaduct'?
Correct Answer: A. A bridge composed of several small spans
A viaduct is a specific type of bridge used to carry a railway or road across a valley or low-lying ground. It usually consists of a series of arches or spans. Viaducts are common in hilly areas like the Konkan or Himalayan regions.
Which bridge is the longest rail bridge in the state of Andhra Pradesh?
Correct Answer: A. Godavari Arch Bridge
The Godavari Arch Bridge in Rajahmundry is one of the longest arch bridges in Asia. It spans 2.7 kilometers and consists of 28 concrete arches. It is a major engineering landmark on the Howrah-Chennai main line.
The 'Naranarayan Setu' is a rail-cum-road bridge built across which river?
Correct Answer: B. Brahmaputra
Naranarayan Setu is the third bridge over the Brahmaputra, connecting Jogighopa and Pancharatna in Assam. It is a double-decker bridge named after a famous 16th-century Koch king. It provides a strategic link for the Goalpara district.